We must obviously be much more clever in using resources, regulate with tax and promote innovations.

Few people will appreciate the music if I just show them the notes. Most of us need to [hear it].

I have a neighbor who knows 200 types of wine. ... I only know two types of wine - red and white. But my neighbor only knows two types of countries - industrialized and developing. And I know 200.

Beyond 2050 the world population may start to decrease if women across the world will have, on average, less than 2 children. But that decrease will be slow.

The number of children is not growing any longer in the world. We are still debating peak oil, but we have definitely reached peak child.

Thank you industrialization. Thank you steel mill. Thank you power station. And thank you chemical processing industry that gave us time to read books.

Most people are not updated. 50 years ago 1 in 5 children died before age 5, now only 1 in 20!